205874253

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2503}}^1$

素因数の和:2578

約数の個数: 48

約数和(自身を含む): 346353280

約数和(自身を除く): 140479027

約数列:

[1, 3, 9, 13, 19, 37, 39, 57, 111, 117, 171, 247, 333, 481, 703, 741, 1443, 2109, 2223, 2503, 4329, 6327, 7509, 9139, 22527, 27417, 32539, 47557, 82251, 92611, 97617, 142671, 277833, 292851, 428013, 618241, 833499, 1203943, 1759609, 1854723, 3611829, 5278827, 5564169, 10835487, 15836481, 22874917, 68624751, 205874253]

約数ペア:

[(1, 205874253), (3, 68624751), (9, 22874917), (13, 15836481), (19, 10835487), (37, 5564169), (39, 5278827), (57, 3611829), (111, 1854723), (117, 1759609), (171, 1203943), (247, 833499), (333, 618241), (481, 428013), (703, 292851), (741, 277833), (1443, 142671), (2109, 97617), (2223, 92611), (2503, 82251), (4329, 47557), (6327, 32539), (7509, 27417), (9139, 22527)]